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Product Detailed Parameters
- Description：11.97 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：11.97 MHz
- Function：Enable/Disable
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：22mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-11.970-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 11.97 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock signal generation
- Embedded system timing references
- Digital circuit synchronization
Procurement Notes
Verify the specific ordering suffix against official Mercury Electronics documentation to confirm voltage and package variations. Ensure the component meets RoHS compliance requirements if applicable to your manufacturing process. Cross-reference the part number with authorized distributors to validate authenticity and current availability status before finalizing procurement orders.
Selection Notes
Select this oscillator when a low-voltage 1.8V supply is required alongside LVCMOS outputs. The enable/disable feature allows for power management in battery-operated devices. Consider the small form factor for space-constrained PCB layouts. Verify that the 11.97 MHz frequency aligns with the target system's clocking architecture and jitter specifications.
Part Context
Mercury Electronics Ind. Co. Ltd specializes in frequency control products, including quartz crystals and oscillators. This model belongs to their standard XO series, offering reliable timing solutions. The company has a history of manufacturing precision frequency components since 1973, focusing on SMD technologies for modern electronics assembly.
Replacement Considerations
Check for direct substitutes within the same Mercury Electronics series or compatible LVCMOS oscillators from other manufacturers. Ensure replacement parts match the 1.8V supply, 11.97 MHz frequency, and 4-SMD package dimensions. Verify pinout compatibility and electrical characteristics to maintain system performance.
